Safari 9:44 PM HQ6 HQ6.docx S372 HQ #6 1. What do we mean when we say that the n
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Safari 9:44 PM HQ6 HQ6.docx S372 HQ #6 1. What do we mean when we say that the null hypothesis acts as a starting point? (1 pt) 2. What is the difference between Type I and Type II error? How does reducing the likelihood of committing one affect the likelihood of committing the other when the rejection level is adjusted either up or down from .05? (3 pts) 3. Create a the null form of a statement (null hypothesis) for a directional hypothesis about the relationship between the variables age and political party preference? (1 pt) 4. Does a statistically significant relationship between variables mean that there is no possibility that the variables are unrelated? Explain. (2 pts) 5. Which rejection level,.01 and.10, suggests a greater likelihood of a true relationship between variables? Explain. (2 pts) 6. What is a rejection region? What is a confidence level? What is a confidence interval? Discuss how the three concepts are related to each other. Provide original examples throughout your discussion. (5 pts) 7. What two characteristics of a variable also affect which statistical test should be used? (2 pts) 8. Given the following information, would your decision be to reject or fail to reject the null hypothesis? Setting the level of significance at.05 for decision making, provide an explanation for your conclusion. (6 pts) a. The null hypothesis that there is no relationship between the type of music a person listens to and his crime rate (p.05). b. The null hypothesis that there is no relationship between the amount of coffee consumption and GPA (p 62) c. The null hypothesis that there is a negative relationship between the number of hours worked and level ofjob satisfaction (p=.049). 9. What does chance have to do with testing the research hypothesis for significance? (1 pt) Courses Calendar To Do Notifications MessagesExplanation / Answer
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1)Null hypothesis is a statement of equality. It's unbiased, and objective starting point because it is the place where everything is thought to be equal unless proven otherwise.
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